PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-03:13:00
G08     318.4          13.1                7.5 +/-    1.68      19.6 +/-    1.68  0.090 / 0.230
G10     311.9          56.0                8.9 +/-    1.96      10.5 +/-    1.96  0.160 / 0.310
G14     213.5          17.8               15.3 +/-    1.48      35.6 +/-    1.48  0.060 / 0.070
G15     45.7           21.8                6.4 +/-    2.10      13.5 +/-    2.10  0.050 / 0.060
G20     349.9          64.8                9.5 +/-    0.75      10.3 +/-    0.75  0.030 / 0.030
G21     118.6          68.2               10.4 +/-    1.09      11.2 +/-    1.09  0.030 / 0.040
G24     86.0           29.0                7.7 +/-    1.98      13.8 +/-    1.98  0.090 / 0.110
G27     289.5          37.1               13.6 +/-    2.04      20.8 +/-    2.04  0.090 / 0.080
G32     214.9          43.1               12.4 +/-    1.14      17.2 +/-    1.14  0.110 / 0.220